The work done was satisfactory and the installation team very efficient and tidy workers. With regards to the last job I had done, administration and customer communication was very unsatisfactory. After paying a sizeable deposit, in terms of percentage of total job cost, nothing happened for 3 weeks, then I had to chase Elmhurst to request a survey to be done. I had to chase Elmhurst for an installation date on 3 occasions. Had to chase invoice and warranty paperwork "many times" after paying the balance. Office administration efficiency, and attention to customer requests gets a 2 out of 10 from me. Still do not have an "official itemised VAT invoice" which makes me think why one has not been issued?? Resent being told that the office was very busy, hence delayed response. Customers do not like being told that the office has been too busy to give them good service and communications.